The formation of the next Pangea, dubbed Amasia or Pangea Proxima, is all but inevitable. Now, scientists are grappling with the mystery of where that supercontinent will form. And frankly, they can't agree on the answer.
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If you look at old newspaper clippings, aging paper documents and books that are past their prime, you'll notice that they likely have a yellow tinge. But why do old paper products turn this golden hue?
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